49744855 has 4 divisors (see below), whose sum is σ = 59693832. Its totient is φ = 39795880.

The previous prime is 49744853. The next prime is 49744867. The reversal of 49744855 is 55844794.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 49744855 - 2¹ = 49744853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49744853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4974481 + ... + 4974490.

It is an arithmetic number, because the mean of its divisors is an integer number (14923458).

Almost surely, 2^49744855 is an apocalyptic number.

49744855 is a deficient number, since it is larger than the sum of its proper divisors (9948977).

49744855 is an equidigital number, since it uses as much as digits as its factorization.

49744855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9948976.

The product of its digits is 806400, while the sum is 46.

The square root of 49744855 is about 7053.0032610229. The cubic root of 49744855 is about 367.7754394579.

Subtracting from 49744855 its sum of digits (46), we obtain a square (49744809 = 7053²).

It can be divided in two parts, 497448 and 55, that added together give a triangular number (497503 = T₉₉₇).

The spelling of 49744855 in words is "forty-nine million, seven hundred forty-four thousand, eight hundred fifty-five".